The Qatari side of the Abu Samrah border crossing between Saudi Arabia and Qatar, 20 June 2017Image copyrightAFP Image caption Saudi Arabia has closed Qatar's only land border

Four Arab states have sent Qatar a list of 13 demands it must meet if it wants them to lift their blockade, news agencies report.
Saudi Arabia, Egypt, the United Arab Emirates and Bahrain are asking the Gulf state to shut down its broadcaster, Al Jazeera.
They are also asking Qatar to reduce ties with Iran and close a Turkish military base - all within 10 days.
Qatar denies funding terrorism and encouraging regional instability.
It has been subjected to more than two weeks of unprecedented diplomatic and economic sanctions, in the worst Gulf crisis in decades.
The list was announced after US Secretary of State Rex Tillerson urged Qatar's neighbours to make their demands "reasonable and actionable".
Correspondents say there has been frustration in Washington, which is seeking to resolve the dispute, over the time taken by the Saudis and others to formalise their demands.
(Source: BBC)